(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Qs = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
  'use strict';

  var replace = String.prototype.replace;
  var percentTwenties = /%20/g;

  var util = require('./utils');

  var Format = {
    RFC1738: 'RFC1738',
    RFC3986: 'RFC3986'
  };

  module.exports = util.assign(
      {
        'default': Format.RFC3986,
        formatters: {
          RFC1738: function (value) {
            return replace.call(value, percentTwenties, '+');
          },
          RFC3986: function (value) {
            return String(value);
          }
        }
      },
      Format
  );

},{"./utils":5}],2:[function(require,module,exports){
  'use strict';

  var stringify = require('./stringify');
  var parse = require('./parse');
  var formats = require('./formats');

  module.exports = {
    formats: formats,
    parse: parse,
    stringify: stringify
  };

},{"./formats":1,"./parse":3,"./stringify":4}],3:[function(require,module,exports){
  'use strict';

  var utils = require('./utils');

  var has = Object.prototype.hasOwnProperty;
  var isArray = Array.isArray;

  var defaults = {
    allowDots: false,
    allowPrototypes: false,
    arrayLimit: 20,
    charset: 'utf-8',
    charsetSentinel: false,
    comma: false,
    decoder: utils.decode,
    delimiter: '&',
    depth: 5,
    ignoreQueryPrefix: false,
    interpretNumericEntities: false,
    parameterLimit: 1000,
    parseArrays: true,
    plainObjects: false,
    strictNullHandling: false
  };

  var interpretNumericEntities = function (str) {
    return str.replace(/&#(\d+);/g, function ($0, numberStr) {
      return String.fromCharCode(parseInt(numberStr, 10));
    });
  };

  var parseArrayValue = function (val, options) {
    if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {
      return val.split(',');
    }

    return val;
  };

  var maybeMap = function maybeMap(val, fn) {
    if (isArray(val)) {
      var mapped = [];
      for (var i = 0; i < val.length; i += 1) {
        mapped.push(fn(val[i]));
      }
      return mapped;
    }
    return fn(val);
  };

// This is what browsers will submit when the ✓ character occurs in an
// application/x-www-form-urlencoded body and the encoding of the page containing
// the form is iso-8859-1, or when the submitted form has an accept-charset
// attribute of iso-8859-1. Presumably also with other charsets that do not contain
// the ✓ character, such as us-ascii.
  var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('&#10003;')

// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
  var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')

  var parseValues = function parseQueryStringValues(str, options) {
    var obj = {};
    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
    var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
    var parts = cleanStr.split(options.delimiter, limit);
    var skipIndex = -1; // Keep track of where the utf8 sentinel was found
    var i;

    var charset = options.charset;
    if (options.charsetSentinel) {
      for (i = 0; i < parts.length; ++i) {
        if (parts[i].indexOf('utf8=') === 0) {
          if (parts[i] === charsetSentinel) {
            charset = 'utf-8';
          } else if (parts[i] === isoSentinel) {
            charset = 'iso-8859-1';
          }
          skipIndex = i;
          i = parts.length; // The eslint settings do not allow break;
        }
      }
    }

    for (i = 0; i < parts.length; ++i) {
      if (i === skipIndex) {
        continue;
      }
      var part = parts[i];

      var bracketEqualsPos = part.indexOf(']=');
      var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;

      var key, val;
      if (pos === -1) {
        key = options.decoder(part, defaults.decoder, charset, 'key');
        val = options.strictNullHandling ? null : '';
      } else {
        key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key');
        val = maybeMap(
            parseArrayValue(part.slice(pos + 1), options),
            function (encodedVal) {
              return options.decoder(encodedVal, defaults.decoder, charset, 'value');
            }
        );
      }

      if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
        val = interpretNumericEntities(val);
      }

      if (part.indexOf('[]=') > -1) {
        val = isArray(val) ? [val] : val;
      }

      if (has.call(obj, key)) {
        obj[key] = utils.combine(obj[key], val);
      } else {
        obj[key] = val;
      }
    }

    return obj;
  };

  var parseObject = function (chain, val, options, valuesParsed) {
    var leaf = valuesParsed ? val : parseArrayValue(val, options);

    for (var i = chain.length - 1; i >= 0; --i) {
      var obj;
      var root = chain[i];

      if (root === '[]' && options.parseArrays) {
        obj = [].concat(leaf);
      } else {
        obj = options.plainObjects ? Object.create(null) : {};
        var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
        var index = parseInt(cleanRoot, 10);
        if (!options.parseArrays && cleanRoot === '') {
          obj = { 0: leaf };
        } else if (
            !isNaN(index)
            && root !== cleanRoot
            && String(index) === cleanRoot
            && index >= 0
            && (options.parseArrays && index <= options.arrayLimit)
        ) {
          obj = [];
          obj[index] = leaf;
        } else {
          obj[cleanRoot] = leaf;
        }
      }

      leaf = obj; // eslint-disable-line no-param-reassign
    }

    return leaf;
  };

  var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) {
    if (!givenKey) {
      return;
    }

    // Transform dot notation to bracket notation
    var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;

    // The regex chunks

    var brackets = /(\[[^[\]]*])/;
    var child = /(\[[^[\]]*])/g;

    // Get the parent

    var segment = options.depth > 0 && brackets.exec(key);
    var parent = segment ? key.slice(0, segment.index) : key;

    // Stash the parent if it exists

    var keys = [];
    if (parent) {
      // If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties
      if (!options.plainObjects && has.call(Object.prototype, parent)) {
        if (!options.allowPrototypes) {
          return;
        }
      }

      keys.push(parent);
    }

    // Loop through children appending to the array until we hit depth

    var i = 0;
    while (options.depth > 0 && (segment = child.exec(key)) !== null && i < options.depth) {
      i += 1;
      if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
        if (!options.allowPrototypes) {
          return;
        }
      }
      keys.push(segment[1]);
    }

    // If there's a remainder, just add whatever is left

    if (segment) {
      keys.push('[' + key.slice(segment.index) + ']');
    }

    return parseObject(keys, val, options, valuesParsed);
  };

  var normalizeParseOptions = function normalizeParseOptions(opts) {
    if (!opts) {
      return defaults;
    }

    if (opts.decoder !== null && opts.decoder !== undefined && typeof opts.decoder !== 'function') {
      throw new TypeError('Decoder has to be a function.');
    }

    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
      throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
    }
    var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;

    return {
      allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
      allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
      arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
      charset: charset,
      charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
      comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
      decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
      delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
      // eslint-disable-next-line no-implicit-coercion, no-extra-parens
      depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth,
      ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
      interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
      parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
      parseArrays: opts.parseArrays !== false,
      plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
      strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
    };
  };

  module.exports = function (str, opts) {
    var options = normalizeParseOptions(opts);

    if (str === '' || str === null || typeof str === 'undefined') {
      return options.plainObjects ? Object.create(null) : {};
    }

    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
    var obj = options.plainObjects ? Object.create(null) : {};

    // Iterate over the keys and setup the new object

    var keys = Object.keys(tempObj);
    for (var i = 0; i < keys.length; ++i) {
      var key = keys[i];
      var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string');
      obj = utils.merge(obj, newObj, options);
    }

    return utils.compact(obj);
  };

},{"./utils":5}],4:[function(require,module,exports){
  'use strict';

  var utils = require('./utils');
  var formats = require('./formats');
  var has = Object.prototype.hasOwnProperty;

  var arrayPrefixGenerators = {
    brackets: function brackets(prefix) {
      return prefix + '[]';
    },
    comma: 'comma',
    indices: function indices(prefix, key) {
      return prefix + '[' + key + ']';
    },
    repeat: function repeat(prefix) {
      return prefix;
    }
  };

  var isArray = Array.isArray;
  var push = Array.prototype.push;
  var pushToArray = function (arr, valueOrArray) {
    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
  };

  var toISO = Date.prototype.toISOString;

  var defaultFormat = formats['default'];
  var defaults = {
    addQueryPrefix: false,
    allowDots: false,
    charset: 'utf-8',
    charsetSentinel: false,
    delimiter: '&',
    encode: true,
    encoder: utils.encode,
    encodeValuesOnly: false,
    format: defaultFormat,
    formatter: formats.formatters[defaultFormat],
    // deprecated
    indices: false,
    serializeDate: function serializeDate(date) {
      return toISO.call(date);
    },
    skipNulls: false,
    strictNullHandling: false
  };

  var isNonNullishPrimitive = function isNonNullishPrimitive(v) {
    return typeof v === 'string'
        || typeof v === 'number'
        || typeof v === 'boolean'
        || typeof v === 'symbol'
        || typeof v === 'bigint';
  };

  var stringify = function stringify(
      object,
      prefix,
      generateArrayPrefix,
      strictNullHandling,
      skipNulls,
      encoder,
      filter,
      sort,
      allowDots,
      serializeDate,
      formatter,
      encodeValuesOnly,
      charset
  ) {
    var obj = object;
    if (typeof filter === 'function') {
      obj = filter(prefix, obj);
    } else if (obj instanceof Date) {
      obj = serializeDate(obj);
    } else if (generateArrayPrefix === 'comma' && isArray(obj)) {
      obj = obj.join(',');
    }

    if (obj === null) {
      if (strictNullHandling) {
        return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset, 'key') : prefix;
      }

      obj = '';
    }

    if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) {
      if (encoder) {
        var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key');
        return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value'))];
      }
      return [formatter(prefix) + '=' + formatter(String(obj))];
    }

    var values = [];

    if (typeof obj === 'undefined') {
      return values;
    }

    var objKeys;
    if (isArray(filter)) {
      objKeys = filter;
    } else {
      var keys = Object.keys(obj);
      objKeys = sort ? keys.sort(sort) : keys;
    }

    for (var i = 0; i < objKeys.length; ++i) {
      var key = objKeys[i];

      if (skipNulls && obj[key] === null) {
        continue;
      }

      if (isArray(obj)) {
        pushToArray(values, stringify(
            obj[key],
            typeof generateArrayPrefix === 'function' ? generateArrayPrefix(prefix, key) : prefix,
            generateArrayPrefix,
            strictNullHandling,
            skipNulls,
            encoder,
            filter,
            sort,
            allowDots,
            serializeDate,
            formatter,
            encodeValuesOnly,
            charset
        ));
      } else {
        pushToArray(values, stringify(
            obj[key],
            prefix + (allowDots ? '.' + key : '[' + key + ']'),
            generateArrayPrefix,
            strictNullHandling,
            skipNulls,
            encoder,
            filter,
            sort,
            allowDots,
            serializeDate,
            formatter,
            encodeValuesOnly,
            charset
        ));
      }
    }

    return values;
  };

  var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
    if (!opts) {
      return defaults;
    }

    if (opts.encoder !== null && opts.encoder !== undefined && typeof opts.encoder !== 'function') {
      throw new TypeError('Encoder has to be a function.');
    }

    var charset = opts.charset || defaults.charset;
    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
      throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
    }

    var format = formats['default'];
    if (typeof opts.format !== 'undefined') {
      if (!has.call(formats.formatters, opts.format)) {
        throw new TypeError('Unknown format option provided.');
      }
      format = opts.format;
    }
    var formatter = formats.formatters[format];

    var filter = defaults.filter;
    if (typeof opts.filter === 'function' || isArray(opts.filter)) {
      filter = opts.filter;
    }

    return {
      addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix,
      allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
      charset: charset,
      charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
      delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter,
      encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode,
      encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder,
      encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly,
      filter: filter,
      formatter: formatter,
      serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate,
      skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls,
      sort: typeof opts.sort === 'function' ? opts.sort : null,
      strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
    };
  };

  module.exports = function (object, opts) {
    var obj = object;
    var options = normalizeStringifyOptions(opts);

    var objKeys;
    var filter;

    if (typeof options.filter === 'function') {
      filter = options.filter;
      obj = filter('', obj);
    } else if (isArray(options.filter)) {
      filter = options.filter;
      objKeys = filter;
    }

    var keys = [];

    if (typeof obj !== 'object' || obj === null) {
      return '';
    }

    var arrayFormat;
    if (opts && opts.arrayFormat in arrayPrefixGenerators) {
      arrayFormat = opts.arrayFormat;
    } else if (opts && 'indices' in opts) {
      arrayFormat = opts.indices ? 'indices' : 'repeat';
    } else {
      arrayFormat = 'indices';
    }

    var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];

    if (!objKeys) {
      objKeys = Object.keys(obj);
    }

    if (options.sort) {
      objKeys.sort(options.sort);
    }

    for (var i = 0; i < objKeys.length; ++i) {
      var key = objKeys[i];

      if (options.skipNulls && obj[key] === null) {
        continue;
      }
      pushToArray(keys, stringify(
          obj[key],
          key,
          generateArrayPrefix,
          options.strictNullHandling,
          options.skipNulls,
          options.encode ? options.encoder : null,
          options.filter,
          options.sort,
          options.allowDots,
          options.serializeDate,
          options.formatter,
          options.encodeValuesOnly,
          options.charset
      ));
    }

    var joined = keys.join(options.delimiter);
    var prefix = options.addQueryPrefix === true ? '?' : '';

    if (options.charsetSentinel) {
      if (options.charset === 'iso-8859-1') {
        // encodeURIComponent('&#10003;'), the "numeric entity" representation of a checkmark
        prefix += 'utf8=%26%2310003%3B&';
      } else {
        // encodeURIComponent('✓')
        prefix += 'utf8=%E2%9C%93&';
      }
    }

    return joined.length > 0 ? prefix + joined : '';
  };

},{"./formats":1,"./utils":5}],5:[function(require,module,exports){
  'use strict';

  var has = Object.prototype.hasOwnProperty;
  var isArray = Array.isArray;

  var hexTable = (function () {
    var array = [];
    for (var i = 0; i < 256; ++i) {
      array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
    }

    return array;
  }());

  var compactQueue = function compactQueue(queue) {
    while (queue.length > 1) {
      var item = queue.pop();
      var obj = item.obj[item.prop];

      if (isArray(obj)) {
        var compacted = [];

        for (var j = 0; j < obj.length; ++j) {
          if (typeof obj[j] !== 'undefined') {
            compacted.push(obj[j]);
          }
        }

        item.obj[item.prop] = compacted;
      }
    }
  };

  var arrayToObject = function arrayToObject(source, options) {
    var obj = options && options.plainObjects ? Object.create(null) : {};
    for (var i = 0; i < source.length; ++i) {
      if (typeof source[i] !== 'undefined') {
        obj[i] = source[i];
      }
    }

    return obj;
  };

  var merge = function merge(target, source, options) {
    /* eslint no-param-reassign: 0 */
    if (!source) {
      return target;
    }

    if (typeof source !== 'object') {
      if (isArray(target)) {
        target.push(source);
      } else if (target && typeof target === 'object') {
        if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) {
          target[source] = true;
        }
      } else {
        return [target, source];
      }

      return target;
    }

    if (!target || typeof target !== 'object') {
      return [target].concat(source);
    }

    var mergeTarget = target;
    if (isArray(target) && !isArray(source)) {
      mergeTarget = arrayToObject(target, options);
    }

    if (isArray(target) && isArray(source)) {
      source.forEach(function (item, i) {
        if (has.call(target, i)) {
          var targetItem = target[i];
          if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
            target[i] = merge(targetItem, item, options);
          } else {
            target.push(item);
          }
        } else {
          target[i] = item;
        }
      });
      return target;
    }

    return Object.keys(source).reduce(function (acc, key) {
      var value = source[key];

      if (has.call(acc, key)) {
        acc[key] = merge(acc[key], value, options);
      } else {
        acc[key] = value;
      }
      return acc;
    }, mergeTarget);
  };

  var assign = function assignSingleSource(target, source) {
    return Object.keys(source).reduce(function (acc, key) {
      acc[key] = source[key];
      return acc;
    }, target);
  };

  var decode = function (str, decoder, charset) {
    var strWithoutPlus = str.replace(/\+/g, ' ');
    if (charset === 'iso-8859-1') {
      // unescape never throws, no try...catch needed:
      return strWithoutPlus.replace(/%[0-9a-f]{2}/gi, unescape);
    }
    // utf-8
    try {
      return decodeURIComponent(strWithoutPlus);
    } catch (e) {
      return strWithoutPlus;
    }
  };

  var encode = function encode(str, defaultEncoder, charset) {
    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
    // It has been adapted here for stricter adherence to RFC 3986
    if (str.length === 0) {
      return str;
    }

    var string = str;
    if (typeof str === 'symbol') {
      string = Symbol.prototype.toString.call(str);
    } else if (typeof str !== 'string') {
      string = String(str);
    }

    if (charset === 'iso-8859-1') {
      return escape(string).replace(/%u[0-9a-f]{4}/gi, function ($0) {
        return '%26%23' + parseInt($0.slice(2), 16) + '%3B';
      });
    }

    var out = '';
    for (var i = 0; i < string.length; ++i) {
      var c = string.charCodeAt(i);

      if (
          c === 0x2D // -
          || c === 0x2E // .
          || c === 0x5F // _
          || c === 0x7E // ~
          || (c >= 0x30 && c <= 0x39) // 0-9
          || (c >= 0x41 && c <= 0x5A) // a-z
          || (c >= 0x61 && c <= 0x7A) // A-Z
      ) {
        out += string.charAt(i);
        continue;
      }

      if (c < 0x80) {
        out = out + hexTable[c];
        continue;
      }

      if (c < 0x800) {
        out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);
        continue;
      }

      if (c < 0xD800 || c >= 0xE000) {
        out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);
        continue;
      }

      i += 1;
      c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
      out += hexTable[0xF0 | (c >> 18)]
          + hexTable[0x80 | ((c >> 12) & 0x3F)]
          + hexTable[0x80 | ((c >> 6) & 0x3F)]
          + hexTable[0x80 | (c & 0x3F)];
    }

    return out;
  };

  var compact = function compact(value) {
    var queue = [{ obj: { o: value }, prop: 'o' }];
    var refs = [];

    for (var i = 0; i < queue.length; ++i) {
      var item = queue[i];
      var obj = item.obj[item.prop];

      var keys = Object.keys(obj);
      for (var j = 0; j < keys.length; ++j) {
        var key = keys[j];
        var val = obj[key];
        if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
          queue.push({ obj: obj, prop: key });
          refs.push(val);
        }
      }
    }

    compactQueue(queue);

    return value;
  };

  var isRegExp = function isRegExp(obj) {
    return Object.prototype.toString.call(obj) === '[object RegExp]';
  };

  var isBuffer = function isBuffer(obj) {
    if (!obj || typeof obj !== 'object') {
      return false;
    }

    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
  };

  var combine = function combine(a, b) {
    return [].concat(a, b);
  };

  module.exports = {
    arrayToObject: arrayToObject,
    assign: assign,
    combine: combine,
    compact: compact,
    decode: decode,
    encode: encode,
    isBuffer: isBuffer,
    isRegExp: isRegExp,
    merge: merge
  };

},{}]},{},[2])(2)
});